#1
Which chamber of the heart receives oxygenated blood from the lungs?
Left atrium
ExplanationReceives oxygen-rich blood from the lungs.
#2
Which blood vessels carry deoxygenated blood back to the heart?
Veins
ExplanationReturn deoxygenated blood to the heart.
#3
Which valve separates the left atrium from the left ventricle?
Mitral valve
ExplanationRegulates blood flow between atrium and ventricle.
#4
What is the medical term for a heart attack?
Myocardial infarction
ExplanationHeart muscle damage due to blocked blood flow.
#5
What condition is characterized by high blood pressure?
Hypertension
ExplanationElevated blood pressure in arteries.
#6
What is the average adult heart rate at rest?
70-80 beats per minute
ExplanationNormal resting heart rate range.
#7
What is the term for the volume of blood pumped by each ventricle per minute?
Cardiac output
ExplanationVolume of blood pumped by the heart.
#8
What is the medical term for an irregular heartbeat?
Arrhythmia
ExplanationAbnormal heart rhythm.
#9
Which of the following is NOT a symptom of congestive heart failure?
Increased appetite
ExplanationNot typically associated with heart failure.
#10
Which of the following is a risk factor for coronary artery disease?
Obesity
ExplanationIncreases risk of artery blockage.
#11
Which of the following is NOT a major risk factor for developing atherosclerosis?
High levels of high-density lipoprotein (HDL) cholesterol
ExplanationHDL cholesterol is considered 'good'.
#12
Which of the following is NOT a symptom of a heart murmur?
Increased appetite
ExplanationNot typically associated with heart murmurs.
#13
Which of the following is NOT a symptom of a heart attack?
Slow heart rate
ExplanationTypically involves rapid heart rate.